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Unformatted text preview: Local Asynchronous Communication and RS-232 Communication Goals Goals Explain how electric current can be used to Explain transmit bits over short distances transmit Present a popular mechanism (RS-232) for Present sending characters this way sending Introduce notions of baud rate and Introduce bandwidth bandwidth State the Nyquist Sampling and Shannon’s State Theorem Theorem Asynchronous communication Asynchronous Where the receiver does not know when the Where sender will transmit sender – – – transmit when data is ready variable delays between transmissions no sender-receiver coordination beforehand...
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